Tandy 1000 Owner's Manual

Description of the PC Modem 1
The following is a brief description of the PC Modem.
@ DIP Switches control the Modem’s power-up condition. These switches
must be set before you install the Board in your computer.
@ Phone Jacks connect the Modem to a modular wall jack and a telephone.
These jacks are interchangeable.
@ Pin Socket connects the Board to the row of pins on the Memory PLUS
Expansion Board (Radio Shack Cat.
No. 25-101 1) or the PLUS Upgrade
Adapter Board
(25-1016)’ or the Memory PLUS Expansion Adapter
(25-1062) for the Tandy 1000 EX Personal Computer.
@ Stand-Offs secure the Board to the expansion board. Snap these three
stand-offs into the corresponding holes on the expansion board.
@ Bracket (A) replaces the current bracket of the expansion board.
@ Holder grounds the Board to Chassis. Used with Bracket (A).
@ Bracket (B) is used for installing the Modem Board in Tandy 1000 EX.
@ Modular Cable can be used for the phone jack-to-modular wall jack con-
nection.
@ Stand-Off
@ Holder
ccc @ Bracket (B)
3

Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200